Peter Krogh writes,
Buying Photoshop Extended and Lightroom four years ago would set you back $1300. You can buy a decade of CC software and services for that price.
Subscriptions were always meant to democratize access to what had been exclusively-priced tools.
The rest of Peter’s post (regarding the non-expiration of Lightroom following a subscription’s end) is worth a read in light of my post last year about how “You should never lose access to your work, period.”